Etching is our favorite technique, it's composed by four principal fases: the handmade grafting of a copper plate , that creates all the necessary scratch on the metal; the "etching" composed by the immersion of the plate in the nitric acid for a specific time, so the reaction causes the increasing profundity on the copper; the clean plate is covered by a specific ink, so the scratchers are full of it; at the using printing star press the ink is transfer to the particulary paper ( cotton-made) so the picture is created. Variation about color of the final products can be produced with the use of colored ink on the copper plate or with a conclusive painting, using watercolour , a water-based paint.
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